Bosch Dishwasher E15: Fix the Anti-Flood Alert Fast

Quick Answer

Bosch E15 means water reached the base pan and triggered the AquaStop flood protection float. Fix it in 30 minutes: pull the dishwasher out, tilt it 45 degrees to the right to drain the pan, let it sit upright 30 minutes for the float to drop. Then find the leak source - door gasket tears and loose spray arm connections are the most common culprits.

Bosch E15 means water reached the base pan under the dishwasher, triggering the AquaStop float switch that cuts the water supply and kills the cycle. In most cases you need to tilt the dishwasher to drain the pan, find and fix the leak source, then dry the float switch. The most common causes are a leaking door seal, loose spray arm connection, or cracked hose clamp. This is fixable at home in 30-60 minutes.

BoschDishwasherSeverity: highDifficulty: intermediate82% DIY Success

Time to Fix

20–90 min

Difficulty

intermediate

Parts Cost

$18 – $85

Tools Needed

Torx T20 screwdriver, Flathead screwdriver

Wrong code?

Not seeing E15 on your display?

Select what your appliance is actually doing and we'll take you to the right guide.

dishwasher not draining

leak protection activated

KitchenaidLEAK

What Does the E15 Code Mean?

Bosch dishwashers have a second layer of flood protection called AquaStop. A plastic float sits in the base pan underneath the dishwasher tub. When water accumulates there from any source, the float rises and triggers a micro-switch that kills the water inlet and activates the drain pump. E15 will not clear until the pan is empty and the float resets. Simply pressing Cancel or resetting power will not clear E15 permanently if the pan still has water.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Water accumulated in base pan activating AquaStop float switch40%

Leaking door gasket or door seal24%

Loose spray arm connection allowing water to escape14%

Overfilled tub from failed inlet valve (E17 precursor)12%

Cracked or loose drain hose clamp10%

Symptoms You May Notice

E15 displayed, dishwasher will not start or mid-cycle stops
Dishwasher runs drain pump continuously but cycle does not advance
Small puddle visible under dishwasher
Dishwasher hums but no water enters

Can you reset a Bosch dishwasher to clear the E15 code?

After draining the base pan and fixing the leak, press the Cancel/Reset button (or hold Start/Reset for 3-5 seconds depending on model). Alternatively, turn off power at the circuit breaker for 60 seconds. The E15 code will only clear permanently once the base pan float drops back to rest position.

Tools Required for Diagnosis

Torx T20 screwdriverFlathead screwdriverTowels or shallow tray for waterFlashlight

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

Tilt the dishwasher to drain the base pan

Pull the dishwasher out from under the counter (turn off water first). Tilt it about 45 degrees to the right side - water will pour out of the base pan. Place towels down. After draining, set it upright and leave for 30 minutes to allow the float to drop.

Inspect the door gasket and seal

Check spray arm connections and sump area

Inspect the AquaStop float switch

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name	OEM Number	Estimated Price
Door Gasket / Door Seal00751972 · $25–$55	00751972	$25 – $55
AquaStop Float Switch00611316 · $18–$35	00611316	$18 – $35
AquaStop Hose Assembly00754873 · $45–$85	00754873	$45 – $85

Verify part fitment for your Bosch model

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs

Labor Approach

Our Verdict

REPAIR

Estimated Cost: $52 (Parts) vs $650 (New Machine)

Frequently Asked Questions

Can I just tilt the dishwasher to clear E15?

Tilting the dishwasher drains the base pan and allows the float switch to drop, which lets E15 clear. However, tilting alone does not fix the problem. If you do not find and repair the leak, E15 will return on the next wash cycle. Tilt to drain, then diagnose the leak source before using the dishwasher again.

Does E15 mean my dishwasher is leaking underneath?

Yes. E15 always means water has collected in the base pan under the tub. This water had to come from somewhere: the door seal, a spray arm connection, a hose clamp, or the sump area. Very rarely a sudden water pressure spike causes a one-time event, but in the vast majority of cases there is an active, slow leak that needs to be found and fixed.

Will E15 clear on its own after drying?

Sometimes. If the event was a one-time fluke (a splash during installation, for example), letting the base pan dry completely (24-48 hours with the dishwasher tilted) may clear E15. But if there is an ongoing leak, the error will return at the next cycle regardless of how long you wait.

How do I access the base pan on a Bosch?

Remove the kick plate at the bottom front of the dishwasher (two screws). You can see into the base pan but cannot reach the float easily without pulling the unit out. To fully drain the pan, tilt the dishwasher on its right side or forward about 45 degrees with towels ready.

Is E15 covered under Bosch warranty?

If your dishwasher is within the standard 1-year parts and labor warranty (or 5-year limited warranty on select components), E15 caused by a manufacturing defect such as a failed door seal or cracked hose is covered. Leaks caused by installation errors or physical damage are typically not covered. Contact Bosch customer service at 1-800-944-2904 before attempting repairs on a unit still under warranty.

Related Bosch Dishwasher Error Codes

Code: E24Bosch E24 Error: Drain Problem Solved Code: E17Bosch E17 Error: Too Much Water Coming In Code: HUBBosch Dishwasher Error Codes: Complete List Code: RESETHow to Reset a Bosch Dishwasher

Same Fix on Other Brands

Miele dishwasherF70: Miele Dishwasher F70: Intake/Drain Error Kitchenaid dishwasherLEAK: KitchenAid Dishwasher Leak Detected

Same Fix Works on These Brands

Bosch shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

Bosch dishwasherBosch Dishwasher Error Codes: Complete List + Fixes Bosch dishwasherHow to Reset a Bosch Dishwasher (Every Method)Bosch dishwasherBosch E24 Error: Drain Problem Solved Step by Step Bosch dishwasherBosch E25 Code: Drain Pump Fix Without a Technician Bosch dishwasherBosch Dishwasher Not Draining: Every Cause Covered Bosch dishwasherBosch E22 Error: Why Your Dishes Aren't Getting Clean

Models Known to Experience E15 Errors

This repair applies to most Bosch dishwashers with this error code. Common model numbers include:

SHPM88Z75N, SHPM88Z55N, SHPK7ZL55N, SHE3AR75UC, SHEM63W55N, SHPM65Z55N, SHEM78ZH5N, SHPM88Z45N, SHPM98Z75N, SHPK7ZL55N

Last verified for technical accuracy on March 14, 2026